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| author | Arnaud Charlet <charlet@gcc.gnu.org> | 2014-08-01 11:22:39 +0200 |
|---|---|---|
| committer | Arnaud Charlet <charlet@gcc.gnu.org> | 2014-08-01 11:22:39 +0200 |
| commit | 2422831252036d2821984173a7a22aac5518ef5c (patch) | |
| tree | 782a77c0def56618c442f8f456b1bf1a0de3729c /gcc/ada/gcc-interface/misc.c | |
| parent | d77cfab2813d0921344f74c219ec3e4a173aa3f1 (diff) | |
| download | gcc-2422831252036d2821984173a7a22aac5518ef5c.zip gcc-2422831252036d2821984173a7a22aac5518ef5c.tar.gz gcc-2422831252036d2821984173a7a22aac5518ef5c.tar.bz2 | |
[multiple changes]
2014-08-01 Arnaud Charlet <charlet@adacore.com>
* ug_words, xgnatugn.adb, gcc-interface/Make-lang.in: Remove
xgnatugn.adb and ug_words.
2014-08-01 Eric Botcazou <ebotcazou@adacore.com>
* exp_attr.adb (Expand_N_Attribute_Reference): Check whether
expansion can be avoid for Machine, Model and Rounding.
(Is_Inline_Floating_Point_Attribute): Return true for Machine
& Model, as well as Rounding if wrapped in a conversion to an
integer type.
* sem_res.adb (Simplify_Type_Conversion): Deal with Rounding as well.
* gcc-interface/gigi.h (fp_arith_may_widen): Declare.
* gcc-interface/utils.c (fp_arith_may_widen): New global variable.
* gcc-interface/misc.c (enumerate_modes): Compute it.
* gcc-interface/trans.c (FP_ARITH_MAY_WIDEN): Delete.
(lvalue_required_for_attribute_p): Deal with Descriptor_Size,
Machine and Model.
(Attribute_to_gnu) <Attr_Model>: New case.
<Attr_Machine>): Likewise.
(convert_with_check): Test
fp_arith_may_widen variable.
2014-08-01 Pascal Obry <obry@adacore.com>
* adaint.h (GNAT_FOPEN): New definition for Windows.
(GNAT_OPEN): Likewise.
(GNAT_STAT): Likewise.
(GNAT_FSTAT): Likewise.
(GNAT_LSTAT): Likewise.
(GNAT_STRUCT_STAT): Likewise.
* adaint.c (__gnat_stat): Fix computation of file size for
Windows.
2014-08-01 Vincent Celier <celier@adacore.com>
* Makefile.rtl: Minor comment update.
2014-08-01 Vincent Celier <celier@adacore.com>
* Make-generated.in: Remove dependencies for vms-help.
From-SVN: r213429
Diffstat (limited to 'gcc/ada/gcc-interface/misc.c')
| -rw-r--r-- | gcc/ada/gcc-interface/misc.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/ada/gcc-interface/misc.c b/gcc/ada/gcc-interface/misc.c index 3d1ea17..9a07de0 100644 --- a/gcc/ada/gcc-interface/misc.c +++ b/gcc/ada/gcc-interface/misc.c @@ -717,6 +717,9 @@ enumerate_modes (void (*f) (const char *, int, int, int, int, int, int, int)) = { "float", "double", "long double" }; int iloop; + /* We are going to compute it below. */ + fp_arith_may_widen = false; + for (iloop = 0; iloop < NUM_MACHINE_MODES; iloop++) { enum machine_mode i = (enum machine_mode) iloop; @@ -766,6 +769,15 @@ enumerate_modes (void (*f) (const char *, int, int, int, int, int, int, int)) if (!fmt) continue; + /* Be conservative and consider that floating-point arithmetics may + use wider intermediate results as soon as there is an extended + Motorola or Intel mode supported by the machine. */ + if (fmt == &ieee_extended_motorola_format + || fmt == &ieee_extended_intel_96_format + || fmt == &ieee_extended_intel_96_round_53_format + || fmt == &ieee_extended_intel_128_format) + fp_arith_may_widen = true; + if (fmt->b == 2) digs = (fmt->p - 1) * 1233 / 4096; /* scale by log (2) */ |